P.s in Phantom of the opera (( not done yet. )

Do not use my art work. BT 

I'm still on fan fiction on beauty and beast ch13, and art request too. So I took a break went on to draw for next story for p.s. in the Phantom of the Opera.

What's P.s mean?
 it's short by Pennsylvania and Scotland as crack pair.

once I'm done here fisinh the color them up. I can tell who in the story.